Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tag: v3.1.0.beta1
Fetching contributors…

Cannot retrieve contributors at this time

56 lines (45 sloc) 1.485 kb
module ActiveRecord
module Associations
class SingularAssociation < Association #:nodoc:
# Implements the reader method, e.g. foo.bar for Foo.has_one :bar
def reader(force_reload = false)
if force_reload
klass.uncached { reload }
elsif !loaded? || stale_target?
reload
end
target
end
# Implements the writer method, e.g. foo.items= for Foo.has_many :items
def writer(record)
replace(record)
end
def create(attributes = {}, options = {})
new_record(:create, attributes, options)
end
def create!(attributes = {}, options = {})
build(attributes, options).tap { |record| record.save! }
end
def build(attributes = {}, options = {})
new_record(:build, attributes, options)
end
private
def find_target
scoped.first.tap { |record| set_inverse_instance(record) }
end
# Implemented by subclasses
def replace(record)
raise NotImplementedError, "Subclasses must implement a replace(record) method"
end
def set_new_record(record)
replace(record)
end
def new_record(method, attributes, options)
attributes = scoped.scope_for_create.merge(attributes || {})
record = reflection.send("#{method}_association", attributes, options)
set_new_record(record)
record
end
end
end
end
Jump to Line
Something went wrong with that request. Please try again.